RCF LF21N451 - user opinions

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Summary: Type: Woofer; Size: 21"; RMS Power: 1500 W; Max Power: 3000 W; Sensitivity: 98 dB; Impedance: 8О©; DC resistance: 5.6 О©; Frequency range: 30 - 1000 Hz; Resonant frequency: 30 Hz; Total Q factor: 0.26; Suspension equivalent air volume: 375 L; Maximum linear excursion: 13 mm; ...

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RCF LF21N551

Type: Woofer; Size: 21"; RMS Power: 2000 W; Max Power: 4000 W; Sensitivity: 97 dB; Impedance: 8О©; DC resistance: 5.2 О©; Frequency range: 30 - 1000 Hz; Resonant frequency: 35 Hz; Total Q factor: 0.33...

RCF LF21X451

Type: Woofer; Size: 21"; RMS Power: 2000 W; Max Power: 4000 W; Sensitivity: 97 dB; Impedance: 8О©; DC resistance: 5.4 О©; Frequency range: 28 - 1000 Hz; Resonant frequency: 28 Hz; Total Q factor: 0.37...

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